OEE software vendors have settled on three main pricing models, each with different implications for your total cost depending on plant size, number of users, and how you intend to scale. Understanding the model before you start vendor conversations is critical — vendors will present their model as the most customer-friendly, but the right answer depends entirely on your specific situation.
Per machine (or per monitored asset) charges a monthly or annual fee for each piece of equipment connected to the platform. This is the most common model for OEE-specific vendors and makes costs predictable if your machine count is stable. Prices typically range from €50–€400 per machine per month, with enterprise contracts often negotiated to flat fees above a certain machine count. Per user charges based on the number of named or concurrent users accessing the system — more common in CMMS platforms that have added OEE modules. Flat site licence covers unlimited machines and users at a single facility for a fixed annual fee, often preferred by manufacturers with many small machines or high user counts.
The right model depends on three variables: machine count, user count, and expected growth. A plant with 15 machines and 40 users who need dashboard access will find per-machine pricing far cheaper than per-user. A plant with 200 machines but only 5 power users will find per-user pricing dramatically cheaper. Site licence pricing tends to win at larger plants where both machine count and user count are high and the per-unit costs of either other model would be prohibitive.
A hidden dimension is the percentage of savings model used by a small number of OEE vendors — typically framed as "we only charge if we deliver value." This sounds appealing but creates ongoing cost uncertainty and typically becomes more expensive than a flat fee once OEE improvements are established. Most buyers who model it over a 3-year horizon find fixed-fee models cheaper. The one scenario where percentage-of-savings makes sense is a complete greenfield deployment where you have no baseline data and want the vendor aligned on delivery.
Regardless of pricing model, there are five negotiating levers that most OEE buyers leave on the table. First, minimum commit: vendors often quote 12-month prices but offer significant discounts for 24- or 36-month commitments — model the breakeven carefully. Second, machine count bands: if you are at 48 machines, ask for the 50-machine band pricing — the difference is often small and locks in a better rate for growth. Third, historical data migration: vendors often charge separately for importing historical OEE data; push to have this included in the implementation fee. Fourth, API access: some vendors gate API access behind higher tiers; this matters if you plan to integrate with Power BI, ERP, or CMMS. Fifth, exit data: ensure your contract specifies that you can export all your machine data on termination in a standard format.
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